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* [glibc] linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL
@ 2023-02-01 12:19 Adhemerval Zanella
  0 siblings, 0 replies; only message in thread
From: Adhemerval Zanella @ 2023-02-01 12:19 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ff9ffc805f5859f9f1fe3a006967b4cf7b191bb2

commit ff9ffc805f5859f9f1fe3a006967b4cf7b191bb2
Author: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Date:   Thu Jan 12 10:58:48 2023 -0300

    linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL
    
    There is no need to issue another sigaction if the disposition is
    already SIG_DFL.
    
    Checked on x86_64-linux-gnu.
    Reviewed-by: Carlos O'Donell <carlos@redhat.com>

Diff:
---
 sysdeps/unix/sysv/linux/spawni.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/spawni.c b/sysdeps/unix/sysv/linux/spawni.c
index b7a6fe320d..a1a14a58ae 100644
--- a/sysdeps/unix/sysv/linux/spawni.c
+++ b/sysdeps/unix/sysv/linux/spawni.c
@@ -129,7 +129,7 @@ __spawni_child (void *arguments)
 	  else
 	    {
 	      __libc_sigaction (sig, 0, &sa);
-	      if (sa.sa_handler == SIG_IGN)
+	      if (sa.sa_handler == SIG_IGN || sa.sa_handler == SIG_DFL)
 		continue;
 	      sa.sa_handler = SIG_DFL;
 	    }

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2023-02-01 12:19 [glibc] linux: Do not reset signal handler in posix_spawn if it is already SIG_DFL Adhemerval Zanella

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